2116714375

素因数分解:

$5^4\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:505

約数の個数: 40

約数和(自身を含む): 2701835136

約数和(自身を除く): 585120761

約数列:

[1, 5, 25, 103, 125, 131, 251, 515, 625, 655, 1255, 2575, 3275, 6275, 12875, 13493, 16375, 25853, 31375, 32881, 64375, 67465, 81875, 129265, 156875, 164405, 337325, 646325, 822025, 1686625, 3231625, 3386743, 4110125, 8433125, 16158125, 16933715, 20550625, 84668575, 423342875, 2116714375]

約数ペア:

[(1, 2116714375), (5, 423342875), (25, 84668575), (103, 20550625), (125, 16933715), (131, 16158125), (251, 8433125), (515, 4110125), (625, 3386743), (655, 3231625), (1255, 1686625), (2575, 822025), (3275, 646325), (6275, 337325), (12875, 164405), (13493, 156875), (16375, 129265), (25853, 81875), (31375, 67465), (32881, 64375)]